import requests

r = requests.get('https://www.google.com/images/srpr/logo11w.png')

with open('google_logo.png', 'wb') as f:
    f.write(r.content)

from flask import request
import requests


@app.route('/user_download')
def user_download():
    url = request.args['url']  # user provides url in query string
    r = requests.get(url)

    # write to a file in the app's instance folder
    # come up with a better file name
    with app.open_instance_resource('downloaded_file', 'wb') as f:
        f.write(r.content)

from urllib.request import urlopen
//I used python3

location = 'http://ical.citesi.nl/?icalguid=81b4676a-b3c0-4b4c-89bd-d91c3a52fa7d&1511210388789'
result = urlopen(location)